What is Mineral Deposit?
1.
When one deficates in the geology department's bathroom on campus.
Guy1: Oh man! I have to shit bad!
Guy2: So go take a shit??
Guy1: Yea I will, I just hope I can make it to the geology building. I'm going to leave them a mineral deposit!
See
2.
Mineral Deposit: A bowel movement taken in the Geology building bathroom on the way to another class.
guy 1: "Dude I dont think I can make it home to take a shit in between class!"
Guy 2: Its cool man, just leave a mineral deposit in the Geology building
See